Aqua One - Bio Balls 300pk Rearrange your artificial plants within

Rearrange your artificial plants within the aquarium at any time

Purchase additional receiver collars for all of your pets

Comes in resealable packaging with a simple flip lid to retain moisture and freshness

Large 16-24 inch neck

Aqua One - Bio Balls 300pk Rearrange your artificial plants withinAqua One Bioballs are plastic spheres with a special hollow construction and high surface area which encourage the growth of aerobic filtration bacteria which are essential to any aquarium's health. The Balls are very light and often 'tumble' gently in the external filter's canister, this helps to scrub off debris and prolong effective working life between clean outs. Aqua One Bioballs work well in any filter but are orginally designed to work with